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Focal length

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Focal length

    • Posted by Magilal Saran 7 years, 4 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Saumya Agrawal 7 years, 3 months ago

    And the distance between pole and focus is called focal length.

    1Thank You

    Saumya Agrawal 7 years, 3 months ago

    A point on principle axis from where parallel beam of light passes or appear to be passed is called focus

    1Thank You

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